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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Toor and Marchello
Fick
Gilliland
Stefan

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Mass Transfer
With increase in pressure, the relative volatility for a binary system

Either A or B, depends on the system
Increases
Decreases
Remains same

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Mass Transfer
Smoke is an example of

Solid dispersed in liquid
Solid dispersed in gas
Liquid dispersed in gas
Gas dispersed in liquid

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Mass Transfer
Extraction of coffee from its seed is done by

Steam distillation
Liquid-liquid extraction
Leaching
Extractive distillation

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Not required
Unknown
Calculated
Known

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Mass Transfer
Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

8
10
9
1

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